Bump guava from 28.2-jre to 29.0-jre in /smp-room

Bumps [guava](https://github.com/google/guava) from 28.2-jre to 29.0-jre.
- [Release notes](https://github.com/google/guava/releases)
- [Commits](https://github.com/google/guava/commits)

Signed-off-by: dependabot[bot] <support@github.com>

smp-room/pom.xml

@@ -83,7 +83,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>28.2-jre</version>
+            <version>29.0-jre</version>
         </dependency>